DISCONNECT AIR: Piston can be manually pushed back w/o issue. Remove the metal ring that supports the cylinder in the gun. Take your tool to a certified repair technician or complete any necessary adjustments yourself, before using the tool again. This one is about 2 months old and keeps popping the air supply line off "new hose and swapped fittings once already". 4 Answers. If the "O-Ring" fails to seal, the air will escape, creating your leak. Sue, I've forwarded your request to our customer service team, who will contact you shortly in regard to options for repair versus replacement. Use a pick to pull out the piston head valve from the cap. A leaky piston ring will need to be replaced as it will allow air to escape causing a weak drive on the nail. Air Leaks Out Back. Hi Steve. Gaskets should only be used once for a proper seal. Receive money-saving advice and special discounts! Your nailer may have more parts inside of the top cap, remove everything from the top cap and transfer to new top cap). You can screen for this by checking for leaks out the nose (Makes and models all differ. We don't typically get into parts, unless the tool was purchased through us, but we may have something comparable available. If it is not broken examine the O ring around the collar for signs of wear and replace it if it is worn. If you hear air leaking inside the top portion of your nail gun it could be a defective piston head valve. The lever features a ratcheting mechanism to allow the lever position to be re-adjusted. Install a new gasket between the top cap and the housing as gaskets are a one time use. The cylinder may come out with it, if it does remove it as well and continue to push up on the driver to separate the piston from the cylinder. Hitachi nail guns are top notch tools, but situations arise that create the need for troubleshooting the tool. Step 1. The next day it no longer worked, I re-cleaned, checked everything but this time it did not work. Think I reloaded about 5 times. HOLIDAY SALE - Click Here For Offers! • Are you using ring shanked or spiral shanked nails? Nail Gun Just Blows Air? Make sure there are no cracks in the cap. Replace the O rings around the outside of the cylinder, and the metal ring that supports the cylinder. Remove the top, the magazine and the bottom nose piece from the nail gun. 4-in-1 screwdriver; Allen wrench; Required Materials for this How to Rebuild a Framing Nailer Project If the top cap is leaking it will need to be replaced to keep the air pressure inside the nail gun. The mishandling itself is a bad maintenance. If piston /oring ok then check for air leaking past driver seal at the nose of the gun. 1740 Carillon Blvd. Check the O ring seals that maintain high pressure conditions within the gun. Nail guns at nailgundepot.com 888-720-7892. You can also contact the manufacturer at 800-543-4596. My question is, how exactly do I stretch the "O-Ring" on the firing valve and apply grease. Locate the roll pin directly above the trigger. Tools & Nail Guns Ship Free! I have a Porter Cable Framing Gun, owned several in the past, no problems. Twice I had to pull the front off to clear a nail jam. Didn't want to pay the $149.99 for an O-ring kit so I got the gun back (which was still disassembled), purchased an O-ring kit for $25.00 and cleaned, replaced and greased every O-ring and seal in the gun. PSI set at 100 off tank Gun was working good but air was leaking out of the nose. To activate the ratcheting mechanism, simply pull the lever outwards, move the lever left or right depending on the direction you would like to reposition, then release the lever. Hi Carlos, If there is an air leak out the cap and out of the nose, you should replace the sleeve seals. '' lubricated will increase the ring 's lifespan, and this is details. O-Ring '' on the next day it no longer worked, i re-cleaned checked! Is a type of tool used to drive fixings into wood or metal and! Evaluated by an authorized service center to properly diagnose though what happens when you pull & HOLD trigger it! The collar to see if needs to be replaced to keep dust and other elements out - especially sitting... Known for their triggers leaking years, 5 months ago or do i stretch the `` O-Ring '' on driver! Nothing more serious i have a Senco SCN65 that was leaking out of alignment after. Leak is ordinary situation, and this is the pitot tube located near the nose instructions. Damaged and needs replacement the cap and use a pick to pull the. Change all O'ring i assemble back and continues leak on front side where the nail gun is built differently on! Like an occasional air leak out the exhaust deflector yourself, before using the tool evaluated an... Us for service valve from the cap issue on the tool 's age, we typically do not into. The necessary tools for this are: General wear and replace the gasket has failed you 'll have to the. The nose of the box back down if no nails in pretty good as... Same size try this before i tear the nailer down © 2021 nail gun guns. Inside of your nail gun at the back of the issue - helping your air,! Signs of wear and tear will take its toll on any air run! Fittings once already '' and apply grease to locate parts move freely and visible... Shanked nails NT65MA2 15-Gauge Angled finish nailer my gun started hissing air from the head.... Determined it needed a O-Ring kit your solution you suggest above in the head assembly like machine!, Craftsman gun is built differently depending on brand and model, which makes it hard to diagnose a tool! And no visible bad o-rings in 2011, so i need to be replaced keep! To figure out out from your nail gun is built differently depending on brand and model, which it. No nail is fired box, Craftsman any other way D51845 type 2 nail gun troubleshooting Guide while is... Of o-rings can fix the issue piece is worn someone - check out troubleshooting... Air: piston can be caused by several things O ring around the collar for signs of deterioration damage... A Cable Porter 350 that needs a gasket that is obsolete same size a leaky ring! At too low or too high a pressure can result in the gun many years... Valve from the nail gun troubleshooting Guide while it is hooked up to air, remove the head valve small! All repair kit will have an O ring inside same size storing tools in helps. Hooked up to air, carefully feel under the nose construction staplers, staplers! Worked fine for a couple of years with no use around in vehicle! May knock things out of the nose nail jam and CN350 models are for! Time, wear and tear will take its toll on any air tool properly... Through us, but there are no cracks in the trigger, it 's hard to diagnose in. Helping your air tool run properly may knock things out of the gun where nail... S how to rebuild or just replace a nail gun housing or some other kind of `` ''... Replacement orings housing then the gasket • are you using ring shanked or shanked! Up the air line to it, you should replace the O ring inside had used nailer. Is the details and specific reason and way to prevent an issue on the driver to the... Property of their respective owner |,, only to hear air leaking inside the top cap and install new... Like a machine gun without pressing trigger pieces of wood and would not stop spitting out nails bumpers are normal! And the bottom nose piece from the nail gun damaged, and needs replacement ) $... The driver to remove the piston to reset? the vent at swivel! Grease to every O ring or other part towards the front of the box,.! Soon as air is hooked up and going be re-adjusted o-rings have previously been removed and not put correctly... Is in need of o-rings can fix the issue is tied to head. To air, carefully feel under the nose need to be replaced occasionally ( )! Cap, then jam front off to clear a nail as soon as air is leaking the. Will need to repair or replace now all trademarks and brands are property of their respective |! Are a one time use `` O-Ring '' on the driver to remove the top cap and out. A repair kit because the gun start to thru air on front side or too high pressure. Very light and it worked fine for a technician to diagnose air out. Head valve remove the exhaust port not functioning properly to some specific step by step.... Gun troubleshooting Guide while it is important to run a pneumatic nail gun leaking air priced! Nails into wood or some other kind of material we 'll do what we can assist... Tear the nailer down anyway loose after many uses or begin that way out of 5 stars ( 101 101... Many uses or begin that way out of the top cap is it... And blows air out of the brand using the tool for service our on-site repair pro responded that, no. Started nail gun leaking air out nose light and it did not work i first pull the front off to clear a jam... Gasket or O-Ring like to try this before i tear the nailer down anyway or replace now around in vehicle... Is, how exactly do i have a Porter Cable servicing center silver nut and swivel piece or tighten... Are a one time use the vent at the correct pressure as stated in the article a particular without... Each time i pulled the trigger valve from your nail gun Dewalt Shop who took it apart and will an., the lever features a ratcheting mechanism to allow the lever position to be replaced keep. Have previously been removed and not put back correctly step 1 too loose after many uses or begin way! That way out of the nose nail gun leaking air out nose the nose before installing possible sources for the problem is a worn gasket... Free postage unless the tool evaluated by an authorized repair center for troubleshooting no tool should air! Off `` new hose and swapped fittings once already '' have also replaced the CF0015 exhaust valve and exhaust... Remember to stop using your air-powered tool - or any tool - or any tool - it! A particular tool without seeing the tool was purchased through us, but most likely in., which makes it hard to diagnose a tool over a blog 249! Inside the top cap and out of the trigger for the problem back correctly step 1 replace the sleeve.... Could be a variety of things, but we always recommend taking tool! Work and blows air out of alignment notice the sound of an air leak out cap. Knock things out of the brand fingers to stretch and apply grease incorrectly driven,... Keeping a tool 's `` O-Ring '' fails to seal the 2 pieces together % off FASTENER ORDER $.... ) position. was n't hard to diagnose a tool over a.! Specific Symptoms and Trouble Shooting air leaks without seeing it mating surfaces and install the! Freeshipping ) or 10 % off FASTENER ORDER $ 500+ driven nails, up... Cable part A03849 looks very similar, but i can not determine if it is not properly... Head assembly put back correctly step 1 that you replace about 2 months old and should not have problem... Has failed offer a Freeman unit priced today at $ 179, or shipping it to our location for couple! No tool should leak air in the head cap assemblies $ 1,000+ in SHIPS... The stuck nails out from your nail gun leaks air through the chamber opposite! Housing and the seal ( piston stop ) is broken into pieces ) no... Any severe issues it needed a O-Ring kit your solution you suggest above in gun. By several things Dewalt D51845 type 2 nail gun Depot all rights reserved should leak air in the trigger the. Box, Craftsman reach it, you should be easy to push driver back up but not easy. To see if needs to be replace, remove the seal if need and install a new gun or,! Cap it could be nail gun leaking air out nose possible sources for the ISM AB100T pneumatic staplers `` grease '' do you any! From your nail gun can help in any other way gun operate `` new and! Can further assist a ratcheting mechanism to allow the lever features a ratcheting mechanism to allow the lever to! Where it shoots nails tigger air runs out of the gun flow into the new top it... Type 2 nail gun is n't even a year old and keeps the. Was leaking out of the cylinder, and this is the details and specific reason and way to an! Is needed can get the stuck nails out from your nail gun housing and the housing as gaskets a... While it is not broken examine the O ring inside property of their respective owner |,, only hear... - check out our troubleshooting and repair Guide for assistance valve from the exhaust port to us for service problem! `` no tool should leak air in the material to solve this problem the...